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LPChip
LPChip
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Go to your control panel -> system -> Device manager and remove the display driver: Display adapters -> VirtualBox Graphics Adapter for Windows 8:

  1. Right click the adapter and choose Uninstall
  2. Check the [v] Delete the driver software for this device[v] Delete the driver software for this device.
  3. Hit OK

Reboot windows and it will install Windows basic graphics adapter

Now, install the guests addons again, and reboot the pc when it does so.

The guest addons will correctly convert the graphics adapter and after a minute or so with the new driver, the Auto scale guest function will scale the screen properly. In addition it will work correctly as it did in windows 8 and is not sluggish.

Go to your control panel -> system -> Device manager and remove the display driver: Display adapters -> VirtualBox Graphics Adapter for Windows 8:

  1. Right click the adapter and choose Uninstall
  2. Check the [v] Delete the driver software for this device.
  3. Hit OK

Reboot windows and it will install Windows basic graphics adapter

Now, install the guests addons again, and reboot the pc when it does so.

The guest addons will correctly convert the graphics adapter and after a minute or so with the new driver, the Auto scale guest function will scale the screen properly. In addition it will work correctly as it did in windows 8 and is not sluggish.

Go to your control panel -> system -> Device manager and remove the display driver: Display adapters -> VirtualBox Graphics Adapter for Windows 8:

  1. Right click the adapter and choose Uninstall
  2. Check the [v] Delete the driver software for this device.
  3. Hit OK

Reboot windows and it will install Windows basic graphics adapter

Now, install the guests addons again, and reboot the pc when it does so.

The guest addons will correctly convert the graphics adapter and after a minute or so with the new driver, the Auto scale guest function will scale the screen properly. In addition it will work correctly as it did in windows 8 and is not sluggish.

Source Link
LPChip
LPChip
  • 62.4k
  • 10
  • 101
  • 146

Go to your control panel -> system -> Device manager and remove the display driver: Display adapters -> VirtualBox Graphics Adapter for Windows 8:

  1. Right click the adapter and choose Uninstall
  2. Check the [v] Delete the driver software for this device.
  3. Hit OK

Reboot windows and it will install Windows basic graphics adapter

Now, install the guests addons again, and reboot the pc when it does so.

The guest addons will correctly convert the graphics adapter and after a minute or so with the new driver, the Auto scale guest function will scale the screen properly. In addition it will work correctly as it did in windows 8 and is not sluggish.